Tube cutter



FIG. 1 is a perspective view of a tube cutter, in accordance with thenew design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the tube cutter that form no part ofthe claimed design.

CLAIM The ornamental design for a tube cutter, as shown and described.